Panasonic CF-18 Series Reference Manual page 81

Wireless LAN
Precautions
Do not use wireless LAN on airplanes, in hospitals, or in other
locations where wireless LAN signals may affect the operation
of devices in the vicinity.
Abide by instructions regarding use in airplanes and hospitals.
If you intend to use the computer in the environments described above, turn off the
wireless LAN. ( page 82)
To prevent theft of data or unauthorized access to the hard disk
via a wireless LAN.
When using the wireless LAN function, there is a danger that data may be stolen from the
hard disk, or that shared files may be accessed. If you plan to use wireless LAN functions,
we recommend that you do so only after making the appropriate security settings, such as
for encryption.
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